<template>
  <el-row class="container">
    <el-col :span="24" class="header">
      <el-col :span="10" class="logo" :class="collapsed?'logo-collapse-width':'logo-width'">
        {{ collapsed ? '' : sysName }}
      </el-col>
      <el-col :span="10">
        <div class="tools" @click.prevent="collapse">
          <i class="fa fa-align-justify"></i>
        </div>
      </el-col>
      <el-col :span="4" class="userinfo">
        <el-dropdown trigger="hover">
          <span class="el-dropdown-link userinfo-inner"><img :src="this.sysUserAvatar"/> {{ sysUserName }}</span>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>我的消息</el-dropdown-item>
            <el-dropdown-item>设置</el-dropdown-item>
            <el-dropdown-item divided @click.native="logout">退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </el-col>
    </el-col>
    <el-col :span="24" class="main">
      <aside :class="collapsed?'menu-collapsed':'menu-expanded'">

        <!--导航菜单-->
        <el-menu :default-active="$route.path" class="el-menu-vertical-demo" @open="handleopen" @close="handleclose"
                 @select="handleselect"
                 unique-opened router v-show="!collapsed">
          <!--首页应该是每个员工进来之后都能看到的,并且首页应该在最上面,所以就将首页这个菜单在上面写死-->
          <!--<el-menu-item index="/echarts">-->
          <!--<i class="fa fa-bar-chart"></i>-->
          <!--首页-->
          <!--</el-menu-item>-->
          <!--动态展示菜单-->
          <template v-for="(item,index) in menuTree">
            <el-submenu :index="index+''">
              <!--              &lt;!&ndash;一级菜单&ndash;&gt;-->
              <template slot="title">
                <i :class="item.icon"></i>
                {{item.name}}
              </template>
              <!--              &lt;!&ndash;循环二级菜单&ndash;&gt;-->
              <el-menu-item v-for="child in item.children"
                            :index="child.url" :key="child.url">
                {{child.name}}
              </el-menu-item>
            </el-submenu>
          </template>
          <!--v-if="!item.hidden" 如果当前hidden=false 才展示-->
          <!--<template v-for="(item,index) in $router.options.routes" v-if="!item.hidden">-->
          <!--&lt;!&ndash;:index="index+''" 相当于给当前这个菜单一个唯一标识-->
          <!--v-if="!item.leaf" 只展示不是叶子节点的菜单&ndash;&gt;-->
          <!--<el-submenu :index="index+''" v-if="!item.leaf">-->
          <!--&lt;!&ndash;一级菜单&ndash;&gt;-->
          <!--<template slot="title">-->
          <!--<i :class="item.iconCls"></i>-->
          <!--{{item.name}}-->
          <!--</template>-->
          <!--&lt;!&ndash;循环二级菜单&ndash;&gt;-->
          <!--<el-menu-item v-for="child in item.children"-->
          <!--:index="child.path" :key="child.path"-->
          <!--v-if="!child.hidden">-->
          <!--{{child.name}}-->
          <!--</el-menu-item>-->
          <!--</el-submenu>-->
          <!--&lt;!&ndash;展示是叶子节点的情况&ndash;&gt;-->
          <!--<el-menu-item v-if="item.leaf&&item.children.length>0"-->
          <!--:index="item.children[0].path">-->
          <!--<i :class="item.iconCls"></i>-->
          <!--{{item.children[0].name}}-->
          <!--</el-menu-item>-->
          <!--</template>-->
        </el-menu>

      </aside>
      <section class="content-container">
        <div class="grid-content bg-purple-light">
          <el-col :span="24" class="breadcrumb-container">
            <strong class="title">{{$route.name}}</strong>
            <el-breadcrumb separator="/" class="breadcrumb-inner">
              <el-breadcrumb-item v-for="item in $route.matched" :key="item.path">
                {{ item.name }}
              </el-breadcrumb-item>
            </el-breadcrumb>
          </el-col>
          <el-col :span="24" class="content-wrapper">
            <transition name="fade" mode="out-in">
              <router-view></router-view>
            </transition>
          </el-col>
        </div>
      </section>
    </el-col>
  </el-row>
</template>


<script>
export default {
  data() {
    return {
      sysName: 'Mall管理平台',
      collapsed: false,
      sysUserName: '',
      sysUserAvatar: '',
      form: {
        name: '',
        region: '',
        date1: '',
        date2: '',
        delivery: false,
        type: [],
        resource: '',
        desc: ''
      },

      menuTree: []

    }
  },
  methods: {

    onSubmit() {
      // console.log('submit!');
    },
    handleopen() {
      // console.log('handleopen');
    },
    handleclose() {
      // console.log('handleclose');
    },
    handleselect: function (a, b) {
    },

    //退出登录
    logout: function () {
      var _this = this;
      this.$confirm('确认退出吗?', '提示', {}).then(() => {
        // 调用后端 退出登录接口
        this.$http.post("/auth/logout")
            .then(result => {
              result = result.data;
              if (result.success) {
                //删除localStorage里面的数据
                localStorage.removeItem('loginUser');
                localStorage.removeItem('token');
                //回到登录页面
                _this.$router.push('/login');
                this.$message({type: "success", message: "退出成功"});
              } else {
                this.$message({type: "error", message: result.message});
              }
            })
      }).catch(() => {

      });
    },

    //折叠导航栏
    collapse: function () {
      this.collapsed = !this.collapsed;
    },
    showMenu(i, status) {
      this.$refs.menuCollapsed.getElementsByClassName('submenu-hook-' + i)[0].style.display = status ? 'block' : 'none';
    },

    getTree(loginUserId){
      this.$http.get("/menu/tree/" + loginUserId)
          .then( result => {
            result = result.data;
            if (result.success){
              this.menuTree = result.resultObj;
              // console.log("=============")
              // console.log(this.menuTree)
            }
          }).catch( result => {
        this.$message({type: "error", message: "网络错误"});
      })
    }

  },


  mounted() {
    var user = localStorage.getItem('loginUser');
    if (user) {
      user = JSON.parse(user);
      this.sysUserName = user.username || '';
      this.sysUserAvatar = user.headImg || 'https://pic.616pic.com/ys_img/00/04/45/B98tg4SeIs.jpg';
    }
    this.getTree(user.id);

  }
}


</script>

<style scoped lang="scss">
@import '~scss_vars';

.container {
  position: absolute;
  top: 0px;
  bottom: 0px;
  width: 100%;

  .header {
    height: 60px;
    line-height: 60px;
    background: $color-primary;
    color: #fff;

    .userinfo {
      text-align: right;
      padding-right: 35px;
      float: right;

      .userinfo-inner {
        cursor: pointer;
        color: #fff;

        img {
          width: 40px;
          height: 40px;
          border-radius: 20px;
          margin: 10px 0px 10px 10px;
          float: right;
        }
      }
    }

    .logo {
      //width:230px;
      height: 60px;
      font-size: 22px;
      padding-left: 20px;
      padding-right: 20px;
      border-color: rgba(238, 241, 146, 0.3);
      border-right-width: 1px;
      border-right-style: solid;

      img {
        width: 40px;
        float: left;
        margin: 10px 10px 10px 18px;
      }

      .txt {
        color: #fff;
      }
    }

    .logo-width {
      width: 230px;
    }

    .logo-collapse-width {
      width: 60px
    }

    .tools {
      padding: 0px 23px;
      width: 14px;
      height: 60px;
      line-height: 60px;
      cursor: pointer;
    }
  }

  .main {
    display: flex;
    // background: #324057;
    position: absolute;
    top: 60px;
    bottom: 0px;
    overflow: hidden;

    aside {
      flex: 0 0 230px;
      width: 230px;
      // position: absolute;
      // top: 0px;
      // bottom: 0px;
      .el-menu {
        height: 100%;
      }

      .collapsed {
        width: 60px;

        .item {
          position: relative;
        }

        .submenu {
          position: absolute;
          top: 0px;
          left: 60px;
          z-index: 99999;
          height: auto;
          display: none;
        }

      }
    }

    .menu-collapsed {
      flex: 0 0 60px;
      width: 60px;
    }

    .menu-expanded {
      flex: 0 0 230px;
      width: 230px;
    }

    .content-container {
      // background: #f1f2f7;
      flex: 1;
      // position: absolute;
      // right: 0px;
      // top: 0px;
      // bottom: 0px;
      // left: 230px;
      overflow-y: scroll;
      padding: 20px;

      .breadcrumb-container {
        //margin-bottom: 15px;
        .title {
          width: 200px;
          float: left;
          color: #475669;
        }

        .breadcrumb-inner {
          float: right;
        }
      }

      .content-wrapper {
        background-color: #fff;
        box-sizing: border-box;
      }
    }
  }
}
</style>
